even back in the 80's The 1980s is when the issue was finally brought into the political conversation. Shell internal documents go back as far as 1962: https:/

even back in the 80's The 1980s is when the issue was finally brought into the political conversation. Shell internal documents go back as far as 1962: https://www.desmog.com/2023/03/31/lost-decade-how-shell-downplayed-early-warnings-over-climate-change/ https://www.desmog.com/2023/03/31/lost-decade-how-shell-down... As for science itself: the first scientific theories on greenhouse effects were published in the 1850s -- and the first climate model was published in 1896: https://daily.jstor.org/how-19th-century-scientists-predicted-global-warming/ https://daily.jstor.org/how-19th-century-scientists-predicte...